750N
745N
735N
98N
Correct answer is C
Net force = Upward force - weight
ma=F−mg
With constant velocity, acceleration = 0, therefore, ma = 0
∴.
The mean of 2, 5, (x + 2), 7 and 9 is 6. Find the median. ...
Simplify 8^{n} \times 2^{2n} \div 4^{3n}...
The table shows the distribution of the distance (in km) covered by 40 hunters while hunting. Wha...
Evaluate 4p_2 + 4C_2 - 4p_3...
ABCD is a square. Forces of magnitude 14N, 4N, 2N and 2\sqrt{2} N act along the sides AB, BC, CD...
Given that \sin x = \frac{5}{13} and \sin y = \frac{8}{17}, where x and y are acute, find \(...
A stone is thrown vertically upward and distance, S metres after t seconds is given by S = 12t ...